请教：2016英语专八改错练习题三十二第6小题如何解答？

Question

A good case in point is white-tailed deer. Like most wildlife, deer __6__reproduce, grow,and store fat in the summer and fall when there is plenty of nutritious food availablE.

Answer 1

【答案】：将is改为the
【解析】这句话是说：一个很好的例子是白尾鹿。这里是表示特指，所以white-tailed deer前面应该有定冠词the。